eden-emu/mbedtls
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Improve variable extracting operations by using MBEDTLS_GET macros

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Signed-off-by: Andrzej Kurek <andrzej.kurek@arm.com>
This commit is contained in:
Andrzej Kurek 2022-06-15 07:17:28 -04:00
parent 96d5439da5
commit cbe14ec967
2 changed files with 46 additions and 36 deletions
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16
library/ssl_msg.c
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@ -3156,7 +3156,7 @@ int mbedtls_ssl_check_dtls_clihlo_cookie(
const unsigned char *in, size_t in_len,
unsigned char *obuf, size_t buf_len, size_t *olen )
{
size_t sid_len, cookie_len;
size_t sid_len, cookie_len, epoch, fragment_offset;
unsigned char *p;
/*
@ -3193,15 +3193,17 @@ int mbedtls_ssl_check_dtls_clihlo_cookie(
MBEDTLS_SSL_DEBUG_MSG( 4, ( "check cookie: record too short" ) );
return( MBEDTLS_ERR_SSL_DECODE_ERROR );
}
if( in[0] != MBEDTLS_SSL_MSG_HANDSHAKE ||
in[3] != 0 || in[4] != 0 ||
in[19] != 0 || in[20] != 0 || in[21] != 0 )
epoch = MBEDTLS_GET_UINT16_BE( in, 3 );
fragment_offset = MBEDTLS_GET_UINT24_BE( in, 19 );
if( in[0] != MBEDTLS_SSL_MSG_HANDSHAKE || epoch != 0 ||
fragment_offset != 0 )
{
MBEDTLS_SSL_DEBUG_MSG( 4, ( "check cookie: not a good ClientHello" ) );
MBEDTLS_SSL_DEBUG_MSG( 4, ( " type=%u epoch=%u fragment_offset=%u",
in[0],
(unsigned) in[3] << 8 | in[4],
(unsigned) in[19] << 16 | in[20] << 8 | in[21] ) );
in[0], (unsigned) epoch,
(unsigned) fragment_offset ) );
return( MBEDTLS_ERR_SSL_DECODE_ERROR );
}